234511144040421 has 20 divisors (see below), whose sum is σ = 350335275424992. Its totient is φ = 156333551230728.

The previous prime is 234511144040357. The next prime is 234511144040431. The reversal of 234511144040421 is 124040441115432.

234511144040421 is a `hidden beast` number, since 2 + 3 + 4 + 51 + 1 + 144 + 0 + 40 + 421 = 666.

It is not a de Polignac number, because 234511144040421 - 2⁶ = 234511144040357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234511144040431) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 65005641 + ... + 68518286.

Almost surely, 2^{234511144040421} is an apocalyptic number.

It is an amenable number.

234511144040421 is a deficient number, since it is larger than the sum of its proper divisors (115824131384571).

234511144040421 is a wasteful number, since it uses less digits than its factorization.

234511144040421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133545622 (or 133545613 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

Adding to 234511144040421 its reverse (124040441115432), we get a palindrome (358551585155853).

The spelling of 234511144040421 in words is "two hundred thirty-four trillion, five hundred eleven billion, one hundred forty-four million, forty thousand, four hundred twenty-one".